When searching for the best window treatments for cooling, the goal is to find options that effectively block heat while still fitting your style and budget. The Changshade Cordless Cellular Shades stand out as the overall top pick for their excellent insulation and ease of use. For those seeking affordability, blackout curtains like the Petaholic Blackout Curtains offer a simple DIY solution. Meanwhile, the Hoeflife Cellular Shades excel in custom sizing for unique spaces. Each choice involves tradeoffs between cost, installation complexity, and insulation performance. Continue reading for a detailed breakdown to find the best fit for your home and needs.
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Key Takeaways
- Cellular shades consistently provide superior insulation, making them a top choice for cooling.
- No-tool, no-drill designs simplify installation but may compromise perfect fit or durability.
- Blackout fabrics are effective at blocking heat and light but often come at a higher price point.
- Custom sizing options tend to offer better insulation and fit but are more expensive than standard sizes.
- Affordable options like DIY blackout curtains can work well for temporary or budget-conscious solutions.
| window treatments for cooling | Material | Color |
|---|---|---|
| Changshade Cordless Cellular S | Non-woven fabric with aluminum foil coating | White |
| Petaholic Blackout Curtains fo | High-quality fabric with silver coating | — |
| LazBlinds No Tools No Drill Co | Polyester | — |
| Persilux Cordless Blackout Rol | Thermal Insulated Fabric | Black |
| MIULEE Blackout Curtains for B | 225GSM polyester | Black |
| AOSKY Blackout Cordless Roller | Thermal Insulated Fabric | Black |
| AOSKY Cordless Blackout Roller | — | Black |
| No Drill No Tools Blackout Cel | Hollow aluminum lining | White |
| SmartSheer Thermoregulating Se | — | White |
| Joydeco Cordless Cellular Shad | Waterproof honeycomb cellular fabric | — |
| NICETOWN Blackout Curtain Pane | Polyester | — |
| Hoeflife Cellular Shades Cordl | Non-woven fabric with aluminum foil lining | — |
| BlindsAvenue Cordless Cellular | 100% Polyester | Anthracite |
More Details on Our Top Picks
Changshade Cordless Cellular Shades, Blackout Honeycomb Shades for Windows, 19″ W x 36″ H, White
This cordless cellular shade excels at combining blackout performance with insulation, making it ideal for bedrooms and living rooms where energy savings matter. Compared to Persilux Blackout Roller Shades, it offers a softer, honeycomb design that provides better thermal insulation, especially in colder months. While its safety features are a plus for homes with children and pets, its limited size options may restrict fitting larger or uniquely shaped windows. The easy installation process and durable materials make it a reliable choice, but the higher price point could be a barrier for budget-conscious buyers. Overall, this pick makes the most sense for those prioritizing energy savings and safety without sacrificing darkness.
Pros:- Cordless design ensures safety and a clean aesthetic
- Excellent blackout and insulating properties improve comfort and energy efficiency
- Simple to install with included hardware and instructions
Cons:- Limited size options restrict flexibility for large or irregular windows
- Potentially higher cost compared to basic blinds
Best for: Homeowners seeking an all-in-one solution for blackout, insulation, and child-safe operation
Not ideal for: Those needing custom sizes or budget-friendly options, as it has limited dimensions and costs more than standard blinds
- Width:19 inches
- Height:36 inches
- Color:White
- Material:Non-woven fabric with aluminum foil coating
- Design:Cordless, honeycomb, room darkening
- Operation Mode:Manual
- Mounting Type:Inside Mount
- Durability:Resistant to fading and cracking
Our verdict“This shade is best suited for buyers prioritizing insulation and safety in standard-sized windows, despite its higher price and size limitations.”
Petaholic Blackout Curtains for Bedroom, Portable DIY Window Shades, No Drill Blackout Blinds with Stickers & Tabs (118″ x 57″)
This set of blackout curtains impresses with its ability to block 100% of sunlight, making it ideal for light-sensitive sleepers or shift workers. Unlike MIULEE Blackout Curtains, which provide partial light blocking, Petaholic curtains guarantee a pitch-dark environment, thanks to their high-quality fabric with a silver coating. Their flexibility in sizing and the no-drill installation make them perfect for renters or travelers. However, initial odors and creases can detract from immediate use, requiring airing out or ironing. While they excel at creating blacked-out spaces, their bulkiness and potential for odor might be drawbacks for those seeking quick, fuss-free setup. This option makes the most sense for those needing a portable, fully blackout solution.
Pros:- Blocks 100% of sunlight and UV rays for complete darkness
- Adjustable and customizable size for a perfect fit
- No tools or drilling required for installation
Cons:- May emit initial odors requiring airing out
- Creases may need ironing for a smooth appearance
Best for: Renters or frequent travelers needing a quick, portable blackout solution without tools or permanent mounting
Not ideal for: People who prefer a more permanent, integrated window treatment or those sensitive to fabric odors
- Size:118″ x 57″
- Material:High-quality fabric with silver coating
- Includes:Blackout curtain, 18 nano-adhesive stickers, 12 pairs of Velcro, storage bag
- Light blocking:100%
- Installation:No drill, adhesive-based
- Portability:High
Our verdict“This curtain set is ideal for those who need a portable, completely blackout environment without permanent installation.”
LazBlinds No Tools No Drill Cordless Cellular Shades, Blackout Light Blocking Honeycomb Shades for Windows, 30″ W x 64″ H, White
This cellular shade stands out for its straightforward inside mounting, making it suitable for renters or DIY enthusiasts who wish to avoid tools and drilling. Its honeycomb structure offers solid insulation, comparable to Changshade, but with a focus on simplicity and safety. Compared to Persilux Roller Shades, it may lack some aesthetic variety, but its quick installation and safe cordless operation make it appealing for bedrooms and living spaces. The limitation to inside mounting and the need for precise measurement are tradeoffs that could pose challenges for irregular or large windows. This model is best for those prioritizing hassle-free installation and insulation in standard window sizes.
Pros:- No tools or drilling required for installation
- Effective blackout and thermal insulation
- Safe cordless design enhances aesthetics and child safety
Cons:- Limited to inside mount only, reducing flexibility
- Size adjustments require careful measurement
Best for: DIYers or tenants seeking a safe, no-tool solution for insulating blackout shades
Not ideal for: Homeowners with large or irregular windows needing outside mount options or those who prefer customizable fabric styles
- Size:30″ W x 64″ H
- Material:Polyester
- Opacity:Blackout
- Control Type:Cordless
- Mounting Type:Inside Mount
- Water Resistance:Not Water Resistant
Our verdict“Ideal for those who want quick, safe, and inside-mounted blackout shades without hassle or tools.”
Persilux Cordless Blackout Roller Shades for Windows, 15″ W x 64″ H, Black
This roller shade provides a sleek, space-saving solution for blackout needs, particularly suited for narrower windows or skylights. Compared to Changshade Honeycomb Shades, it offers a more minimalistic appearance but may lack the insulation benefits of honeycomb designs. Its black color enhances light blocking, making it a good choice for bedrooms where total darkness is essential. The inclusion of UV protection and thermal insulation adds value, though its limited width might require multiple units for larger windows. The shorter fabric width relative to the valance may impact the aesthetic finish, and proper measurement is critical for a perfect fit. This pick is best for those in need of a compact, effective blackout roller in small spaces.
Pros:- Blocks 100% of light for complete darkness
- Compact and space-efficient design
- Includes UV and thermal insulation for year-round comfort
Cons:- Limited width may require multiple units for larger windows
- Only available in black, limiting aesthetic choices
Best for: Urban dwellers with small or narrow windows needing a sleek, space-efficient blackout solution
Not ideal for: People with large windows or those seeking more decorative or color options, as it is only available in black and limited dimensions
- Width:15 inches
- Height:64 inches
- Color:Black
- Material:Thermal Insulated Fabric
- Features:Blackout, UV Protection
- Control Type:Manual
Our verdict“This shade is best for small spaces or window alcoves requiring a compact, blackout solution with a sleek look.”
MIULEE Blackout Curtains for Bedroom and Living Room, 2 Panels, Thermal Insulated, Light Blocking, 63 Inches Long, 40×63 Inches, Black
These MIULEE blackout curtains offer a durable and stylish option with up to 95% light blocking, making them suitable for bedrooms and living rooms where controlling natural light is key. Compared to Petaholic Curtains, they provide a more sophisticated look with their elegant drape and easy-care fabric, though they may be darker than needed for those who prefer some natural light. Their thermal insulation also contributes to energy savings, but the limited color options and the potential for darker room environments might not suit all tastes. The six anti-rust grommets ensure easy hanging on most rods, making them a practical choice. This set works well for users seeking a balance between blackout, style, and insulation in a versatile home setting.
Pros:- Blocks 95% of light and UV rays effectively
- Thermal insulated fabric reduces energy costs
- Drapes elegantly and is easy to maintain
Cons:- May be too dark for daylight lovers
- Limited color options restrict decorative flexibility
Best for: Homeowners looking for stylish, effective blackout curtains that are easy to care for and suitable for multiple rooms
Not ideal for: Those wanting a lighter, more natural ambiance or different color schemes, as only black is available
- Number of Panels:2
- Panel Dimensions:40″ W x 63″ L
- Material:225GSM polyester
- Light Blocking:60-95%
- Grommets:6 anti-rust silver grommets
- Color:Black
- Room Types:Bedroom, Living Room, Dining Room, Kitchen, Office
Our verdict“This curtain set is ideal for those who want a stylish, effective blackout solution with good thermal properties for various rooms.”
AOSKY Blackout Cordless Roller Shades with Valance, Thermal Insulated Fabric, UV Protection, 34″ W x 72″ H, Black
This cordless roller shade combines energy-efficient thermal insulation with a sleek aesthetic, making it a versatile choice for both home and office. It stands out for its durable aluminum alloy rods and stylish valance, providing a polished look that elevates any space. Compared with the No Drill Honeycomb Shades, this option offers a more refined appearance but requires professional installation for a perfect fit. Its UV protection helps reduce indoor heat gain, making it a solid all-around choice for cooling. However, its limited color options and higher price point may be drawbacks for budget-conscious buyers or those seeking more variety. Overall, this shade suits those prioritizing style and insulation without sacrificing safety or ease of use.
Pros:- Cordless design ensures safety and a clean look
- Thermal insulation reduces heat transfer and energy costs
- Elegant valance adds a sophisticated touch
Cons:- Limited color choices restrict customization
- May require professional installation for best fit
Best for: Homeowners seeking a durable, stylish window treatment with superior insulation and UV protection.
Not ideal for: Renters or DIY enthusiasts on a tight budget who prefer multiple color options or easy installation without professional help.
- Width:34 inches
- Height:72 inches
- Material:Thermal Insulated Fabric
- Operation:Cordless
- Color:Black
- Additional Features:UV protection, Stylish valance
Our verdict“This shade is ideal for those who want a blend of style, insulation, and safety, and are willing to invest in professional setup.”
AOSKY Cordless Blackout Roller Shades for Windows, 23″ W x 72″ H, Black
Compared with the larger AOSKY roller shade, this compact model offers excellent blackout performance in a smaller size, making it perfect for narrower windows or secondary rooms. Its 100% polyester fabric blocks all sunlight and UV rays, providing total darkness, which is essential for bedrooms or media rooms. The cordless spring-loaded mechanism is simple to operate and safe for children and pets. However, its narrower width can limit its use to specific window sizes, and it offers fewer color options, mainly black, which may not suit all decor styles. This shade’s main strength is its affordability and ease of installation, but it may fall short for those needing a wider or more customizable solution.
Pros:- Blocks 100% of sunlight for complete darkness
- Cordless design enhances safety and aesthetics
- Easy to install with included hardware
Cons:- Limited color options, mainly black
- Narrow width restricts use to specific window sizes
Best for: Bedroom or media room owners seeking a reliable, space-saving blackout shade with straightforward installation.
Not ideal for: Decor enthusiasts wanting a variety of colors or larger sizes for bigger windows.
- Size:23″ W x 72″ H
- Fabric Material:100% polyester
- Color:Black
- Mounting Type:Inside or outside mount
- Features:Thermal insulation, UV blocking
Our verdict“This shade is perfect for those needing a simple, effective blackout solution on smaller windows at an affordable price.”
No Drill No Tools Blackout Cellular Shades for Indoor Windows, Cordless Honeycomb Blinds, Thermal Insulated, Noise Reduction, White, Custom Size
This cellular shade excels in delivering thermal insulation and noise reduction without the hassle of tools or drilling, making it ideal for renters or those wary of wall damage. Its honeycomb design traps air, enhancing temperature regulation, similar to the insulation qualities of the larger Joydeco shades, but with the added benefit of tool-free installation. The upgraded support system ensures smooth operation, though the white color limits aesthetic options. Precise measurements are critical here, as improper sizing can compromise insulation and blackout performance. While the lack of multiple color choices might be a downside, its ease of setup and effective insulation make it a strong pick for quick upgrades in any room.
Pros:- No tools or drilling required for installation
- Effective blackout and thermal insulation
- Smooth, reliable operation with upgraded system
Cons:- Limited color options (white only)
- Requires precise measurements for perfect fit
Best for: Renters or DIYers needing a quick, no-damage installation with good thermal and noise insulation.
Not ideal for: Homeowners seeking a broader color palette or custom design options for aesthetic matching.
- Material:Hollow aluminum lining
- Design:Blackout honeycomb
- Color:White
- Installation:No drill, cordless
- Features:Thermal insulation, noise reduction
Our verdict“This shade is well-suited for those prioritizing easy setup and insulation without damaging walls or windows.”
SmartSheer Thermoregulating Semi-Sheer Curtains – Energy-Saving Privacy Panels with UV Light Deflection, Heat & Cold Insulation
Compared with blackout shades, these semi-sheer curtains focus on maintaining a comfortable indoor temperature through UV deflection and heat insulation, making them an excellent choice for year-round energy savings. They allow natural light to filter through while providing privacy, a distinct advantage over fully blackout options like Joydeco or AOSKY shades, which block out nearly all light. Their modern design fits well in living rooms or sunrooms but may not suffice in extreme heat or cold conditions, where complete blackout or heavier insulation is preferred. The single size and color limit customization, yet their style makes them suitable for adding a light, airy feel that still helps regulate indoor temperatures effectively.
Pros:- Reduces heating and cooling costs year-round
- Allows natural light while maintaining privacy
- UV protection helps preserve furniture
Cons:- Limited size and color options
- May not fully block heat or cold in extreme conditions
Best for: Decor-conscious homeowners seeking a stylish, energy-efficient curtain that balances light and privacy.
Not ideal for: Those needing complete blackout or significant temperature control in very hot or cold climates.
- Color:White
- Size:84L x 59W
- Panel Type:Single Panel
- Features:UV deflection, heat and cold insulation
Our verdict“Ideal for style-conscious buyers wanting energy savings with natural light in moderate climates.”
Joydeco Cordless Cellular Shades 35 Inch Wide Blackout Cellular Blinds for Windows
This cordless cellular shade provides up to 99% blackout, making it a top choice for bedrooms, media rooms, or any space requiring complete darkness. Its waterproof honeycomb cells not only deliver excellent insulation but also add durability, similar to the No Drill Honeycomb Shades, but with a focus on higher blackout performance. The cordless system ensures a clean look and child safety, with adjustable light control via the free stop system. While its white color and narrower width might limit aesthetic options and larger window coverage, its ease of installation and superior light blocking make it a go-to for privacy-focused rooms. The need for precise measurements can be a barrier for some, but overall, it offers excellent blackout capabilities.
Pros:- Blocks 99% of light for deep darkness
- Child-safe, cordless design
- Waterproof honeycomb cells offer durability and insulation
Cons:- Requires precise measurement for perfect fit
- Limited color options (white only)
Best for: Bedroom owners, media room users, or anyone needing maximum blackout with simple installation.
Not ideal for: Design-oriented buyers wanting multiple color options or larger sizes for big windows.
- Width:35 inches
- Height:64 inches
- Material:Waterproof honeycomb cellular fabric
- Blackout:Yes
- Cordless:Yes
Our verdict“This shade is best suited for rooms where total darkness and safety are priorities, and precise sizing can be managed.”
NICETOWN Blackout Curtain Panels, Set of 2, 52×54 inches, Cappuccino
This set of NICETOWN blackout curtains stands out for delivering total light blockage, which is ideal for bedrooms or media rooms where darkness and noise reduction are priorities. Compared with the cellular shades, such as the Hoeflife Cellular Shades, these curtains provide a more luxurious look and thicker insulation, but they require dry cleaning instead of machine wash, which adds a layer of inconvenience. The high-density woven polyester fabric ensures a dense, elegant drape that enhances privacy while helping to keep rooms cooler. However, their size recommendations mean you’ll likely need multiple sets for larger windows, and cleaning requires more effort. This option is perfect for those who want a high-quality, blackout environment without concern for maintenance complexity.
Pros:- Blocks out 100% of light for complete darkness
- Provides excellent noise reduction and thermal insulation
- Luxurious high-density woven fabric with a sleek appearance
- Easy to hang with sturdy grommets
Cons:- Requires hand wash or dry cleaning, not machine washable
- Size recommendations may necessitate multiple panels for larger windows
Best for: Homeowners seeking a stylish, fully blackout solution with noise insulation, especially in bedrooms or media rooms.
Not ideal for: People who prefer easy, machine-washable curtains or have very large windows needing multiple panels.
- Material:Polyester
- Blackout:100% total light blocking
- Weight:460GSM
- Panel Size:52 x 54 inches
- Set Includes:2 panels
- Grommet Diameter:1.6 inches
Our verdict“This pick suits those prioritizing maximum blackout and noise insulation with a touch of elegance, accepting higher maintenance.”
Hoeflife Cellular Shades Cordless Blackout Skylight Blinds for Windows and Doors, Custom Size
Compared with the NICETOWN curtains, the Hoeflife Cellular Shades excel in offering a truly customizable fit and easy DIY installation. Their aluminum alloy frame and non-woven fabric with aluminum lining deliver excellent thermal insulation and UV protection, making them a smart choice for energy-conscious households. The blackout fabric ensures privacy, but the minimum 1.3-inch frame depth requirement could limit compatibility with some older or thinner windows. The five-day production time might delay installation, but the ability to choose size, color, and opacity offers a tailored solution. These shades are ideal for those seeking a sleek, energy-efficient window treatment that can be precisely fitted to their window dimensions.
Pros:- Durable aluminum alloy frame for longevity
- Excellent blackout and thermal insulation
- Highly customizable in size, color, and opacity
- Easy to install DIY with minimal tools
Cons:- Requires a minimum 1.3-inch window frame depth, limiting compatibility
- Production time of around 5 days may delay setup
Best for: DIY enthusiasts who want a highly customizable, energy-saving blackout shade for skylights or irregular windows.
Not ideal for: People with very shallow window frames or those needing immediate installation without wait time.
- Material:Non-woven fabric with aluminum foil lining
- Frame:Aluminum alloy
- Blackout:Yes
- Installation:DIY, requires minimum 1.3-inch window frame depth
- Customization:Size, color, opacity
Our verdict“This option works best for those who value a perfect fit and energy efficiency over immediate availability or ultra-simple installation.”
BlindsAvenue Cordless Cellular Honeycomb Shade, Light Filtering Blinds for Indoor Window, Thermal Insulation Shades for Home, Noise Reduction, Color: Anthracite, Size: 28″ W x 72″ H
The BlindsAvenue cellular honeycomb shade offers a practical, safety-conscious choice for smaller windows. Its cordless operation eliminates cords that could pose hazards, making it ideal for homes with children or pets. While it doesn’t block 100% of light like the NICETOWN curtains, its light-filtering fabric still significantly reduces heat transfer and noise, making it a good all-around option for everyday comfort. The limited size range, however, makes it less versatile for larger or oddly shaped windows, and manual pull-down operation might be a bit stiff for taller windows. Overall, this shade balances safety, insulation, and ease of use for standard-sized indoor windows.
Pros:- Cordless design enhances child and pet safety
- Helps regulate indoor temperature with honeycomb insulation
- Easy to install with versatile mounting options
- Light filtering for a softer, natural glow
Cons:- Limited to specific window widths (28″ W), less flexible for larger windows
- Manual pull-down may require effort for taller windows
- Limited color options restrict design versatility
Best for: Parents or pet owners seeking a safe, energy-efficient window treatment for smaller, standard-sized indoor windows.
Not ideal for: Homeowners with larger or irregularly shaped windows needing full blackout or customized solutions.
- Material:100% Polyester
- Color:Anthracite
- Size:28″ W x 72″ H
- Mounting Options:Inside and Outside Mount
- Features:Child & pet safe, thermal insulation, noise reduction
Our verdict“This shade is best suited for safety-minded families wanting reliable insulation and light control for standard, smaller windows.”
How We Picked
Products were evaluated based on their cooling performance, ease of installation, build quality, and value. We prioritized shades and curtains that offer effective heat blocking and insulation, especially those with honeycomb or thermal features. User-friendly installation without tools was a key factor, along with overall durability and size options. The ranking reflects a balance between performance, cost, and versatility, helping buyers find options suitable for different budgets and needs.Factors to Consider When Choosing Best Window Treatments For Cooling
Choosing the right window treatment for cooling involves considering several key factors beyond just appearance. Insulation capability is paramount—look for honeycomb or thermal-lined fabrics that trap air and block heat. Ease of installation can save time and frustration, especially if you prefer DIY setups. Durability and ease of maintenance also matter, particularly in high-use areas. Price versus performance is a common tradeoff—investing in better insulation may cost more upfront but save on cooling costs long-term. Finally, consider customization options to ensure a perfect fit for your windows and maximize effectiveness.Insulation and Heat Blocking
Effective insulation is the cornerstone of cooling window treatments. Honeycomb or cellular shades are designed to trap air in their pockets, providing superior thermal resistance. Look for fabrics with thermal lining or blackout features that prevent heat transfer. Keep in mind that thicker, well-insulated options typically come at a higher price but can significantly reduce cooling costs and improve comfort during hot months.
Ease of Installation and Use
Many buyers underestimate how much installation impacts overall satisfaction. No-drill, cordless, or stick-on solutions are ideal for renters or those wary of complicated setups. However, these options might not fit perfectly or last as long as custom or mounted shades. Weigh the convenience of DIY installation against the potential need for adjustments or replacements over time.
Material and Durability
The choice of fabric influences both performance and longevity. Blackout or thermal fabrics are designed to withstand heat and UV damage, but cheaper materials may fade or tear faster. Consider how much sunlight exposure your windows get and choose fabrics that resist UV and moisture if necessary. Durability becomes even more crucial in high-traffic or frequently used rooms.
Cost and Value
Budget constraints influence many buyers, but investing in quality window treatments can lead to long-term savings through reduced cooling costs. Cheaper options might be tempting, but they often lack effective insulation or durability. Conversely, premium options with custom sizing and high-performance fabrics come at a premium but offer better insulation and longer lifespan. Balance your budget with your cooling needs to find the best value.
Customization and Fit
Proper sizing ensures maximum insulation and heat blocking. Standard sizes are often more affordable but may require compromises or additional fittings. Custom options tend to fit better and provide enhanced insulation, especially for irregularly shaped or large windows. Measure carefully and consider whether a semi-custom solution can meet your needs without breaking the bank.
Frequently Asked Questions
Are cellular shades effective at reducing heat transfer?
Yes, cellular shades excel at reducing heat transfer because their honeycomb structure traps air and provides an insulating barrier. This design helps keep a room cooler in the summer and warmer in the winter, making them an excellent choice for thermal regulation. Their effectiveness depends on the quality of the material and the fit, so investing in well-made cellular shades can provide noticeable cooling benefits.
Can blackout curtains really block out enough heat to make a difference?
Blackout curtains are highly effective at blocking light, but they also significantly reduce heat transfer through windows. Thick, insulated blackout fabrics prevent warm air from entering and cool air from escaping, enhancing your room’s overall temperature control. For maximum cooling, look for curtains with thermal lining or multiple layers designed specifically for insulation.
What’s the main tradeoff between cellular shades and blackout curtains?
The main tradeoff lies in installation and aesthetic flexibility. Cellular shades often provide a cleaner look and better insulation but can be more expensive and complex to install, especially in custom sizes. Blackout curtains are generally easier to hang and remove, making them ideal for renters or temporary setups, but they may not fit as precisely and can take up more space when drawn open.
Are DIY window treatments a good option for cooling?
DIY solutions like blackout curtains or stick-on shades can work well for budget-conscious or temporary needs. They are usually easy to install and remove, making them suitable for renters. However, they might not provide the same level of insulation or fit as custom or professionally installed options. For best results, choose high-quality fabrics and ensure proper measurement and installation.
How do I measure my windows for the best fit?
Accurate measurements are key to maximizing insulation and heat blocking. Measure the width and height of each window from multiple points to account for any irregularities, and record the smallest measurements for width and height if installing inside mounts. For outside mounts, add a few inches to each measurement to cover the frame and create a more effective barrier. Always double-check measurements before ordering or cutting to avoid costly mistakes.
